Study on Irrigating Technique of Film Hole Irrigation in Weibei Dry Plateau

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Publication date
1 January 1999
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Abstract

膜上灌是起源于我国新疆的节水灌溉新技术，因水在膜上流动，流动速度快，减小了水分深层渗漏，同时水流由渗水孔和放苗孔渗入土壤和作物根系周围，因而提高了灌水均匀度和灌溉水的利用效率，具有很大的节水潜力。着重从水流运动特性、渗水孔面积、膜畦长度、生长和产量状况、水分利用等方面介绍了膜上灌技术在渭北旱塬研究的初步结论

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    Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources

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